# U.S. Department of Energy — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 10-0001
- **title:** U.S. Department of Energy — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2010-03-18
- **effective on:** Not available
- **summary:** 10-0001 response to U.S. Department of Energy concerning 173.427.
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- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-10-0001
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/2010/100001.pdf
**body:**

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U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration
MAR 1B 2010
1 200 New Jersey Ave, SE
Washington, D.C. 20590
Ms. Dana Willaford
Transportation Safety
U.S. Department of Energy
P.O. Box 2001
Oak Ridge, TN 37831
Ref. No. 10-0001
Dear Ms. Willaford:
This responds to your email dated December 30, 2009 requesting clarification of the Hazardous
Materials Regulations (HMR; 49 CFR Parts 171-180) applicable to placarding requirements for
Class 7 (radioactive) materials. You request clarification of a letter of interpretation that was
issued November 24, 2009 (Ref. No. 09-0231). Your questions are summarized and answered as
follows:
Ql) The PDF file on the PHMSA website did not include the complete incoming letter from Mr.
Rodney Johnson requesting clarification. Can you please provide a complete copy of the
incoming request from Mr. Johnson?
AI) The complete incoming letter from Mr. Rodney Johnson along with our response (Ref. No.
09-0231) is attached. In addition, we have updated our website to include the complete
incoming letter.
Q2) Please clarify the statement in your letter, "Thus, the package or unpackaged Class 7
(radioactive) material must display either the Class 7 (radioactive) placards or the
appropriate labels to comply with the placarding requirements ofSubpart F ofPart 172." I
interpret this statement to mean that "appropriate labels" are the required labels. Section
173.427(a)(6)(vi) provides for an exception to package labeling when the package is marked
as required. Therefore, no labels are required when LSAISCO shipments are conducted as
"exclusive use" shipments in accordance with § 173.427(a)(6)(vi).
A2) LSA and SCO shipments consigned as "exclusive use" in accordance with § 173.427(a)(vi)
are excepted from the requirement to label the packages. The shipper is not required to take
advantage of this exception; and, in some circumstances may apply labels in place of
placards (see § 172.514(c)) to satisfy the placarding requirements in Subpart F of Part 172.

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Q3) Section 172.514(a) requires placards to be affixed as specified for the material in §§ 172.504
and 172.505. Section 172.504 requires placards for Class 7 materials only under two
conditions:
I. 2. When a shipment contains a packaging that is required to bear a Radioactive
Yellow III label; or,
LSNSCO shipments transported as "exclusive use" in accordance with
§§ 173.427(b)(4) and (5) or (c).
My understanding is that § I 73.427(a)(6)(vi) excepts LSNSCO shipments conducted under
"exclusive use" provisions from labeling. Section 173.427 requires vehicles carrying
LSAISCO as "exclusive use" in accordance with § 173.427(a)(6) to bear placards. Since
labels are not required on radioactive materials packagings properly prepared as specified in
§ 173.427(a)(6), a placard is not required on the packaging. However, the transport vehicle
must be placarded. Is this interpretation correct?
A3) No. Section 172.504 (Table I, Footnote 1) requires placards to be applied to bulk packages
and transport vehicles containing LSNSCO transported as "exclusive use" in accordance
with §§ I 73.427(b)( 4) and (5) or (c). Thus, placards are required on the packages for such
shipments whether or not labels are required. Placards must also be affixed to the transport
vehicle, however, § 172.516 provides that the requirement to placard a motor vehicle may be
met by the placards displayed on a freight container or portable tank loaded on a motor
vehicle. For other types of bulk packages, placards must also be displayed on the motor
vehicle.
Q4) Could you clarify the statement in your letter that specifies placarding "unpackaged
material"? I cannot find any requirement in Part 172 that addresses placarding unpackaged
material.
A4) Section I 72.504(e), Table I (Footnote 1) requires Radioactive placards for "exclusive use"
shipments of LSA/SCO transported in accordance with § 173.427(c). Section 173.427(c)
authorizes LSA-I and SCO-I to be transported "unpackaged". Thus placards are required for
unpackaged LSA-I and SCO-I transported as exclusive use in accordance with § I 73.427(c).
I hope this answers your inquiry. If you need further assistance, please contact this office at 202366-8553.
Si;r~
Charles E. Betts
Chief, Standards Development
Office ofHazardous Materials Standards
[Attachment]

<<<PAGE 3>>>

U.S. Department of Transportation Pipeline and Hazardous Materials
Safety Administration
1200 New Jersey Avenue, SE
Washlngtan. OC 20590
NOV 24 2009
Mr. Rodney Johnson
Manager Nuclear Licensing
Fermi 2
200TAC
6400 N. Dixie Hwy
Newport, MI 48166
Ref. No.: 09-0231
Dear Mr. Johnson:
This is in response to your letter dated October 8, 2009 requesting clarification ofthe
Hazardous Material Regulations (HMR; 49 CFR Parts 171-180) applicable to the hazard
communication requirements for Class 7 (radioactive) material. In your letter you
describe the material as "UN2913, Radioactive material, surface contaminated object
(SCO-II), 7" transported as "exclusive use" in accordance with § 173.427(a)(6). The
material is offered for transportation and transported in a bulk container that has a
volumetric capacity of96 cubic feet (2.7 cubic meters). Your questions are summarized
and answered as follows:
Q1) Must the container be placarded on all 4 sides?
AI) No. A package with a volumetric capacity ofless than 18 cubic meters (640 cubic
feet) may be placarded on two opposing sides or, alternatively, may be labeled instead of
placarded in accordance with Part 172. Subpart E. See § 172.514( c).
Q2) Can the container be labeled: Class 7, Radioactive White-I, Yellow-II or Yellow-III
as appropriate, instead of placarded in accordance with § 172.514(c).
A2) Yes. See At.
Q3) Can this package be marked '·RADIOACTIVE·SCO" without being placarded or
labeled?
A3) No. Packaged or unpackaged LSA or SCO containing less than an A2 quantity of
Class 7 (radioactive) material is excepted from marking and labeling requirements ofthe
HMR provided the surface ofeach package or unpaclcaged Class 7 (radioactive) material
is stenciled or otherwise marked "RADIOACTIVE-LSA" or "RADIOACTIVE-SCO" as
appropriate. See § 173.427(a)(6)(vi). However, this exception does not provide relief

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from the placarding requirements in Subpart F of Part 172. While labels may be displayed
instead ofplacards in accordance with § 172.514(c), this is only an alternative method of
satisfying the placarding requirements ofSubpart F of Part 172. Thus, the package or
unpackaged Class 7 (radioactive) material must display either the Class 7 (radioactive)
placards or the appropriate labels to comply with the placarding requirements ofSubpart F
ofPart 172.
I trust this satisfies your inquiry. Ifwe can be offurther assistance, please contact us.
Charles E. Betts
.eft Standards Development
o ofHazardous Materials Standards

<<<PAGE 5>>>

Questions regarding Letter ofInterpretation 09-0231 Page 10f2
Drakeford, Carolyn (PHMSA)
From: Betts, Charles (PHMSA)
Sent: Monday, January 04,20103:33 PM f-tc he-Yl laMlJ
To: Drakeford, Carolyn (PHMSA) 
 ?s l{3·4~1
Subject: FW: Questions regarding Letter of Interpretation 09-0231 C» f 72". 614Importance:
High 1>laCtlyd,-'j I~AJl1
Attachments: 090231.pdf
JD- 0001
From: Willaford, Dana M [mailto:WillafordDM@oro.doe.gov]
Sent: Wednesday, December 30,20098:03 AM
To: Betts, Charles (PHMSA)
Cc: Boyle, Rick (PHMSA)
Subject: Questions regarding Letter of Interpretation 09-0231
Mr. Betts:
I am requesting clarification regarding your interpretation letter, 09-0231 (attached) regarding placarding
for LSA/SCO shipments. The interpretation addressed the requirements in 173.427(a)(6)(v).
The PDF file on your interpretations website did not include the full letter that was submitted by Mr.
Rodney Johnson. We maintain a reference file on various interpretations. Is it possible for you to provide
the full letter?
Also, could you please clarify the statement in your letter, "Thus, the package or unpackaged Class 7
(radioactive) material must display either the Class 7 (radioactive) placards or the appropriate labels to
comply with the placarding requirements ofSubpart F ofPart 172. '? I interpret this statement to mean
that "appropriate labels"are the required labels. 173.427(a)(6)(vi) provides for an exception to package
labeling when the package is marked as required. Therefore, no labels are required when LSA/SCO
shipments are conducted as exclusive use shipments in accordance with 173.427(a){6)(vi).
Section 172.514(a), Bulk Packagings, requires placards to be affixed as specified for the material in
172.504 and 172.505. Section 172.504 requires placards for Class 7 materials only under two conditions:
when a shipment contains a packaging that is required to bear a Radioactive Yellow III
label
LSA/SCO shipments, when transported in accordance with 173.427(b)(4), (5) or (c).
Each of these sections in 173.427 provides for the shipment to be conducted under
exclusive use provisions.
My understanding is that 173.427(a)(6)(vi) excepts LSA/SCO shipments conducted under exclusive use
provisions from labeling. 173.427(a)(6){v) requires exclusive use LSA/SCO shipments to have placarded
Y~Nc.J~~. Since labels are not required on radioactive materials packogings properly prepared as specified in
173.427(a)(6), a placard is not required on the packaging. however, the_trc:!n.s..Rortv.~hic.J~ must be placarded.
116/2010

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Questions regarding Letter of Interpretation 09-0231 Page 2 of2
Additionally, could you clarify the statement in your letter that specifies placarding unpackaged material? I
cannot find any requirement in Part 172 that addresses placarding unpackaged material.
Respectfully,
Dana M. Willaford
Department of Energy, Oak Ridge
Dana M. Willaford
Packaging & Transportation Safety
A\liation Manager/Safety Officer
DOE/ORO,SE-31
Phone: 865-576-5338
Fax: 865-576-3725
"Achieving mission success by utilizing breakthrough strategies in providing matrix core competency support. "
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